Non-labelled vitamin B12 as a dilution indicator in gastrointestinal research.
D001464:Barium; D002712:Chlorides; D003036:Cobalt Isotopes; D005750:Gastric Juice / Q000032:analysis; D005769:Gastrointestinal Motility; D006801:Humans; D006878:Hydroxides; D007201:Indicator Dilution Techniques; D007202:Indicators and Reagents; D007419:Intestinal Secretions / Q000032:analysis; D011865:Radioisotope Dilution Technique; D013053:Spectrophotometry; D013431:Sulfates; D014805:Vitamin B 12; D015032:Zinc
D002712:Chlorides; D003036:Cobalt Isotopes; D006878:Hydroxides; D007202:Indicators and Reagents; D013431:Sulfates; D001464:Barium; D015032:Zinc; D014805:Vitamin B 12